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#include "graphelementdata.h"
#include <QDebug>
#include <QTextStream>
GraphElementData::GraphElementData(QVector<GraphElementProperty> init, QObject *parent) : QAbstractItemModel(parent)
{
root = new GraphElementProperty();
_properties = init;
}
GraphElementData::GraphElementData(QObject *parent) : QAbstractItemModel(parent) {
root = new GraphElementProperty();
}
GraphElementData::~GraphElementData()
{
delete root;
}
GraphElementData *GraphElementData::copy()
{
return new GraphElementData(_properties);
}
void GraphElementData::setProperty(QString key, QString value)
{
GraphElementProperty m(key, true);
int i = _properties.indexOf(m);
if (i != -1) {
_properties[i].setValue(value);
} else {
GraphElementProperty p(key, value);
_properties << p;
}
}
void GraphElementData::unsetProperty(QString key)
{
GraphElementProperty m(key, true);
int i = _properties.indexOf(m);
if (i != -1)
_properties.remove(i);
}
void GraphElementData::add(GraphElementProperty p)
{
_properties << p;
}
void GraphElementData::operator <<(GraphElementProperty p)
{
add(p);
}
void GraphElementData::setAtom(QString atom)
{
GraphElementProperty a(atom);
int i = _properties.indexOf(a);
if (i == -1)
_properties << a;
}
void GraphElementData::unsetAtom(QString atom)
{
GraphElementProperty a(atom);
int i = _properties.indexOf(a);
if (i != -1)
_properties.remove(i);
}
QString GraphElementData::property(QString key)
{
GraphElementProperty m(key, true);
int i = _properties.indexOf(m);
if (i != -1) {
return _properties[i].value();
} else {
return QString(); // null QString
}
}
bool GraphElementData::atom(QString atom)
{
GraphElementProperty a(atom);
return (_properties.indexOf(a) != -1);
}
QVariant GraphElementData::data(const QModelIndex &index, int role) const
{
if (role != Qt::DisplayRole)
return QVariant();
if (index.row() >= 0 && index.row() < _properties.length()) {
const GraphElementProperty &p = _properties[index.row()];
QString s = (index.column() == 0) ? p.key() : p.value();
return QVariant(s);
}
return QVariant();
}
QVariant GraphElementData::headerData(int section, Qt::Orientation orientation, int role) const
{
if (orientation == Qt::Horizontal && role == Qt::DisplayRole) {
if (section == 0) return QVariant("Key/Atom");
else return QVariant("Value");
}
return QVariant();
}
QModelIndex GraphElementData::index(int row, int column, const QModelIndex &parent) const
{
return createIndex(row, column, (void*)0);
}
QModelIndex GraphElementData::parent(const QModelIndex &index) const
{
GraphElementProperty *p = static_cast<GraphElementProperty*>(index.internalPointer());
if (p == root) return QModelIndex();
else return createIndex(0,0,static_cast<void*>(root));
}
int GraphElementData::rowCount(const QModelIndex &parent) const
{
if (parent.isValid()) {
return 0;
} else {
return _properties.size();
}
}
int GraphElementData::columnCount(const QModelIndex &) const
{
return 2;
}
Qt::ItemFlags GraphElementData::flags(const QModelIndex &index) const
{
return QAbstractItemModel::flags(index);
}
//bool GraphElementData::setData(const QModelIndex &index, const QVariant &value, int role)
//{
//}
//bool GraphElementData::insertRows(int position, int rows, const QModelIndex &parent)
//{
//}
//bool GraphElementData::removeRows(int position, int rows, const QModelIndex &parent)
//{
//}
QString GraphElementData::tikz() {
if (_properties.length() == 0) return "";
QString str;
QTextStream code(&str);
code << "[";
GraphElementProperty p;
bool first = true;
foreach(p, _properties) {
if (!first) code << ", ";
code << p.tikz();
first = false;
}
code << "]";
code.flush();
return str;
}
bool GraphElementData::isEmpty()
{
return _properties.isEmpty();
}
QVector<GraphElementProperty> GraphElementData::properties() const
{
return _properties;
}
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